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Method, apparatus and system for establishing connection

a connection and gateway technology, applied in the field of system architecture evolution, can solve the problems of consuming more processing resources and extended time delay when the connection is established successfully, and achieve the effect of reducing the time delay when the connection is established

Active Publication Date: 2011-12-15
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This approach reduces time delays in establishing connections by ensuring the use of supported protocols and optimizing processing resources by selecting the appropriate protocol for connection establishment.

Problems solved by technology

When implementing the present invention, the inventor discovers a disadvantage of such a manner: if the connection protocol selected by the serving gateway first time is a connection protocol not supported by the packet data network gateway, a time delay when the connection is established successfully will be extended.
Also, such a mechanism that a sender sends multiple messages of the same function but with different protocols regardless of the ability of the receiver will consume more processing resources.

Method used

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  • Method, apparatus and system for establishing connection
  • Method, apparatus and system for establishing connection
  • Method, apparatus and system for establishing connection

Examples

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first embodiment

[0042]FIG. 2 is a schematic structural view of a network system for establishing a connection according to the present invention. The system in the embodiment includes at least a mobility management entity 1, at least one serving gateway 2, and a packet data network gateway 3.

[0043]The mobility management entity 1 is adapted to generate a create bearer context request message and send the message to a selected serving gateway 2, wherein the create bearer context request message includes at least address information of the specific packet data network gateway 3 and indication information indicating the corresponding type of connection establishment protocol. In a specific implementation, the indication information indicating the type of connection establishment protocol is used to indicate the protocol type of connection supported by the specific packet data network gateway.

[0044]The serving gateway 2 is adapted to receive and analyze the create bearer context request message from th...

second embodiment

[0082]FIG. 6 is a flow chart of a method for establishing a connection according to the present invention. In this embodiment, a UE adopts a CMIP as a mobility management protocol. The flow includes the following steps.

[0083]In Step S61, the UE may report a CMIP capacity to a mobility management entity in an access request (for example, attached request). The step is optional.

[0084]In Step S62, an authentication process is performed among the mobility management entity, an HSS and the UE.

[0085]In Step S63, in a location registration process, the mobility management entity may obtain subscription data of the UE from the HSS. The subscription data includes information of a packet data network gateway.

[0086]In Step S64, when the mobility management entity determines that the UE needs to use a CMIP manner to establish a connection with the packet data network gateway. The mobility management entity selects one serving gateway having an IP address assignment capacity, and sends a create ...

third embodiment

[0090]FIG. 7 is a flow chart of a method for establishing a connection according to the present invention.

[0091]In Step S70, an HSS provides APNs and information of corresponding packet data network gateway (for example, an address, a protocol type of connection that the packet data network gateway supports) to a mobility management entity according to the user subscription information and other affiliated rules. The protocol type of connection may be the GTP, the PMIP, and the GTP / PMIP. When a plurality of addresses of the packet data network gateway is sent to the mobility management entity by the HSS, each packet data network gateway address needs to correspond to one protocol type of connection.

[0092]The step may be executed in the step that the HSS insert user information into the mobility management entity.

[0093]Steps S72 to S78 in the following are similar to Steps S50 to S56 in FIG. 5 in principle, which are not repeated here.

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Abstract

A method for establishing a connection is provided. The method includes the following steps. A mobility management entity generates a create bearer context request message and sends the message to a selected serving gateway. The create bearer context request message at least includes address information of at least one packet data network gateway and corresponding indication information of the protocol type of connection establishment. The serving gateway receives and analyzes the create bearer context request message, and determines the protocol type of the connection according to the indication information of the protocol type of connection establishment. The serving gateway processes the create bearer context request message with the determined protocol type of connection. A mobility management entity, a serving gateway, and a network system which are able to reduce time delay when connection is established are further provided.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of U.S. patent application Ser. No. 12 / 471,663, filed on May 26, 2009, which is a continuation of International Application No. PCT / CN2008 / 071158, filed on May 31, 2008. The International Application claims priority to Chinese Patent Application No. 200710028575.4, filed on Jun. 14, 2007, and Chinese Patent Application No. 200710165080.6, filed on Nov. 7, 2007. The afore-mentioned patent applications are hereby incorporated by reference in their entireties.FIELD OF THE INVENTION[0002]The present invention relates to system architecture evolution (SAE), and more particularly to a method, an apparatus, and a system for establishing a connection among gateways.BACKGROUND OF THE INVENTION[0003]In order to increase the competitiveness of future mobile networks, the 3rd generation partnership project (3GPP) is researching a future network architecture. The network architecture includes an SAE at a network side...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04W80/00H04L12/56H04W8/12H04W48/00H04W76/02H04W80/04
CPCH04W80/045H04W8/12H04W48/17H04W76/022H04L41/048H04L43/18H04W76/12H04W80/04
Inventor WANG, SHANSHANHU, YING
Owner NOKIA TECH OY
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